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两种运行模式

配置所有测试方法都并行

junit.jupiter.execution.parallel.enabled = true
junit.jupiter.execution.parallel.mode.default = concurrent

配置top-level类并行，测试方法同一线程执行

junit.jupiter.execution.parallel.enabled = true
junit.jupiter.execution.parallel.mode.default = same_thread
junit.jupiter.execution.parallel.mode.classes.default = concurrent

配置top-level类串行，测试方法并行

junit.jupiter.execution.parallel.enabled = true
junit.jupiter.execution.parallel.mode.default = concurrent
junit.jupiter.execution.parallel.mode.classes.default = same_thread

 相关参数

属性	描述	支持的值	默认值
junit.jupiter.execution.parallel.enabled	是否允许并行	true false	false
junit.jupiter.execution.parallel.mode.default	test tree的默认执行模式	concurrent same_thread	same_thread
junit.jupiter.execution.parallel.mode.classes.default	top-level类的默认执行模式	concurrent same_thread	same_thread
junit.jupiter.execution.parallel.config.strategy	默认线程和最大线程数的策略	dynamic fixed custom	dynamic
junit.jupiter.execution.parallel.config.dyna mic.factor	dynamic配置的系数	数值	1
junit.jupiter.execution.parallel.config.fixed.parallelism	fixed配置的线程数	数值	无默认
junit.jupiter.execution.parallel.config.custom.class	custom配置的策略类	类	无默认

2、同步

@Execution(CONCURRENT)
class SharedResourcesDemo {private Properties backup;@BeforeEachvoid backup() {backup = new Properties();backup.putAll(System.getProperties());}@AfterEachvoid restore() {System.setProperties(backup);}@Test@ResourceLock(value = SYSTEM_PROPERTIES, mode = READ)void customPropertyIsNotSetByDefault() {assertNull(System.getProperty("my.prop"));}@Test@ResourceLock(value = SYSTEM_PROPERTIES, mode = READ_WRITE)void canSetCustomPropertyToApple() {System.setProperty("my.prop", "apple");assertEquals("apple", System.getProperty("my.prop"));}@Test@ResourceLock(value = SYSTEM_PROPERTIES, mode = READ_WRITE)void canSetCustomPropertyToBanana() {System.setProperty("my.prop", "banana");assertEquals("banana", System.getProperty("my.prop"));}
}